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Classifying Variable Types

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Classifying Variable Types

Students sorting data cards

📊 Part 1: Understanding Variables

1. What is a variable? Complete this sentence:

A variable is something that can _________________ or be _________________ between different people or things.

2. Match each variable type to its description by drawing lines:
Categorical Variable
Discrete Numerical Variable
Continuous Numerical Variable
Uses words or categories (like colours)
Uses numbers you can count (like pets)
Uses numbers you can measure (like height)
3. Circle the correct variable type for each example:

Your favourite fruit:

Categorical

Discrete Numerical

Continuous Numerical

Number of siblings you have:

Categorical

Discrete Numerical

Continuous Numerical

Your height in centimetres:

Categorical

Discrete Numerical

Continuous Numerical

🔍 Part 2: Variable Hunt

4. Look around your classroom and find one example of each variable type. Write or draw them below:

Categorical Variable (uses categories or words):

Discrete Numerical Variable (whole numbers you can count):

Continuous Numerical Variable (measurements that can have decimals):

5. Choose ONE of your examples above and explain why it belongs in that category:

My example: _________________________ is a _________________________ variable because:

⭐ Part 3: Challenge Questions

6. Some variables can be tricky! Circle whether each is discrete or continuous numerical:

Temperature in Celsius (like 23.5°C):

Discrete Numerical

Continuous Numerical

Number of books in your bag:

Discrete Numerical

Continuous Numerical

7. Create your own example for each type of variable:

Categorical: _________________________________

Discrete Numerical: _________________________________

Continuous Numerical: _________________________________

8. Reflection: Which type of variable do you think would be most useful for finding out about your classmates' favourite activities? Explain your thinking:

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